jjxtra 

ExchangeSharp is a C# API for working with various cryptocurrency exchanges. Web sockets are also supported for some exchanges.

Simple, declarative dependency injection and configuration using attributes - without all the boilerplate code.

Simple and powerful caching for .NET using three layers: RAM, file and redis.

Flexible json s3 object storage for C#

Polly.Contrib.DuplicateRequestCollapser is a Polly policy to collapse concurrent duplicate requests to a single execution, integrating with the Polly resilience project for .NET

IPBan is the leading solution to block hackers and botnets. Easily monitor events for all kinds of sources and put the bad ip addresses in the firewall automatically.

Ban ip addresses based on failed login attempts.

Declarative and simple pub/sub for .NET using Mass Transit.

The IPBan Pro SDK allows interacting with the IPBan Pro API. Please visit https://ipban.com for more details.

Dead simple service discovery and health checks